linux-kernel - [PATCH v2 0/7] iio: adc: introduce Qualcomm SPMI Round Robin ADC

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Message-Id: <20220105183353.2505744-1-caleb.connolly@linaro.org>
Date:   Wed,  5 Jan 2022 18:33:46 +0000
From:   Caleb Connolly <caleb.connolly@...aro.org>
To:     caleb.connolly@...aro.org, Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Lee Jones <lee.jones@...aro.org>, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Cc:     sumit.semwal@...aro.org, amit.pundir@...aro.org,
        john.stultz@...aro.org
Subject: [PATCH v2 0/7] iio: adc: introduce Qualcomm SPMI Round Robin ADC

The RRADC is responsible for reading data about the current and
voltage from the USB or DC in jacks, it can also read the battery
ID (resistence) and some temperatures. It is found on the PMI8998 and
PM660 Qualcomm PMICs.

The RRADC has to calibrate some ADC values based on which chip fab
the PMIC was produced in, to facilitate this the patch
("mfd: qcom-spmi-pmic: expose the PMIC revid information to clients")
exposes the PMIC revision information as a struct and registers it
as driver data in the Qualcomm SPMI PMIC driver so that it can be 
read by the RRADC.

Changes since v1:
 * Rework the RRADC driver based on Jonathan's feedback
 * Pick up Rob's reviewed by for the dt-binding patch.

Caleb Connolly (7):
  mfd: qcom-spmi-pmic: expose the PMIC revid information to clients
  dt-bindings: iio: adc: document qcom-spmi-rradc
  iio: adc: qcom-spmi-rradc: introduce round robin adc
  arm64: dts: qcom: pmi8998: add rradc node
  arm64: dts: qcom: sdm845-oneplus: enable rradc
  arm64: dts: qcom: sdm845-db845c: enable rradc
  arm64: dts: qcom: sdm845-xiaomi-beryllium: enable RRADC

 .../bindings/iio/adc/qcom,spmi-rradc.yaml     |   54 +
 arch/arm64/boot/dts/qcom/pmi8998.dtsi         |    8 +
 arch/arm64/boot/dts/qcom/sdm845-db845c.dts    |    4 +
 .../boot/dts/qcom/sdm845-oneplus-common.dtsi  |    4 +
 .../boot/dts/qcom/sdm845-xiaomi-beryllium.dts |    4 +
 drivers/iio/adc/Kconfig                       |   13 +
 drivers/iio/adc/Makefile                      |    1 +
 drivers/iio/adc/qcom-spmi-rradc.c             | 1070 +++++++++++++++++
 drivers/mfd/qcom-spmi-pmic.c                  |  108 +-
 include/soc/qcom/qcom-pmic.h                  |   63 +
 10 files changed, 1272 insertions(+), 57 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml
 create mode 100644 drivers/iio/adc/qcom-spmi-rradc.c
 create mode 100644 include/soc/qcom/qcom-pmic.h

-- 
2.34.1